1、Ansoft/ANSYS Thermal Coupling Examples,Agenda,One-way Load Transfer Overview Applications General Procedure HFSS Example Maxwell Example Conclusions,One-way Load Transfer,One-way Load Transfer,One-way Data Exchange Volumetric or surface losses mapped to ANSYS model,Volumetric Losses,Bus Bar Model An
2、soft Maxwell,Temperatures ANSYS Mechanical,Types of Coupled Problems,Electromagnetic-Thermal Coupling Maxwell Volumetric losses HFSS Volumetric and/or surface losses Electromagnetic-Structural Interaction Maxwell Volumetric force density (under concept validation work),Applications for Coupling with
3、 Electromagnetics,Electric Machines Motors, generators, solenoids, etc. Power Distribution Bus bars, power switching gear, transformers RF and Microwave Components High-power connectors, terminations, couplers, filters, circulators, etc. IC Thermal Distribution Advanced Packaging, BGAs, Wire Bonds P
4、CB Thermal Distribution and Dissipation Biomedical SAR, MRI Machines, RF Ablation,Limitations,One-way Load Transfer Does not allow for temperature dependent electromagnetic material properties Not applicable for certain multiphysics problems Induction heating,General Procedure,Ansoft/ANSYS Coupling
5、General Procedure,HFSS Example,HFSS One-way Coupling Example,Cell Phone Antenna 350 mW at 900 MHz Objective to calculate temperature rise in brain,Volumetric Losses,Electric Field Ansoft HFSS,Temperature ANSYS Mechanical,HFSS Solution,Analyze HFSS Setup,Export Geometry from HFSS,Any geometry export
6、option supported.,Export geometry in desired format: Modeler / Export,File name,Import Geometry into DesignModeler,Can modify or defeature geometry as necessary in DM.,ANSYS Thermal Mesh,Thermal mesh is independent of HFSS mesh.,Thermal contact can be used.,Any thermal element type can be used.,Expo
7、rt Mesh from ANSYS,Export element centroid locations for each part for volumetric loss interpolation.,Import ANSYS Mesh into HFSS and Export Losses,Import ANSYS element centroid locations into HFSS.,Interpolated volumetric losses to ANSYS mesh locations.,APDL to Import Losses,Command object to read
8、volumetric losses from HFSS and convert into ANSYS BFE commands.,Parameter to apply total integrated power from HFSS for load consistency.,Thermal Boundary Conditions,Apply other thermal boundary conditions to ANSYS model.,Thermal Solution,Run and postprocess thermal solution.,Maxwell Example,Maxwel
9、l One-way Coupling Example,Solenoid Coil losses transferred to thermal model,Volumetric Losses,Magnetic Field Ansoft Maxwell,Temperature ANSYS Mechanical,Maxwell Solution,Analyze Maxwell Design,Export Geometry from Maxwell,Any geometry export option supported.,File name,Import Geometry into DesignMo
10、deler,Can modify or defeature geometry as necessary in DM.,ANSYS Thermal Mesh,Thermal mesh is independent of Maxwell mesh.,Thermal contact can be used.,Any thermal element type can be used.,Export Mesh from ANSYS,Export element centroid locations for each part for volumetric loss interpolation.,Impo
11、rt ANSYS Mesh into Maxwell and Export Losses,Import ANSYS element centroid locations into Maxwell.,Interpolated volumetric losses to ANSYS mesh locations.,APDL to Import Losses,Command object to read volumetric losses from Maxwell and convert into ANSYS BFE commands.,Parameter to apply total integra
12、ted power from Maxwell for load consistency.,Thermal Boundary Conditions,Apply other thermal boundary conditions including radiation to ANSYS model.,Thermal Solution,Run and postprocess thermal solution.,Conclusions,Conclusions,One-way load transfer is available now! Losses are mapped to a thermal model with ANSYS APDL macros Customers can use HFSS or Maxwell with ANSYS Independent Ansoft and ANSYS meshes Can be implemented in the Workbench Both Ansoft and ANSYS customers can benefit from multiphysics coupling Demonstrates Future Coupling Options,
